81672960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21269}}^1$

素因数の和:21293

約数の個数: 72

約数和(自身を含む): 260855280

約数和(自身を除く): 179182320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 21269, 42538, 63807, 85076, 106345, 127614, 170152, 212690, 255228, 319035, 340304, 425380, 510456, 638070, 680608, 850760, 1020912, 1276140, 1361216, 1701520, 2041824, 2552280, 2722432, 3403040, 4083648, 5104560, 5444864, 6806080, 8167296, 10209120, 13612160, 16334592, 20418240, 27224320, 40836480, 81672960]

約数ペア:

[(1, 81672960), (2, 40836480), (3, 27224320), (4, 20418240), (5, 16334592), (6, 13612160), (8, 10209120), (10, 8167296), (12, 6806080), (15, 5444864), (16, 5104560), (20, 4083648), (24, 3403040), (30, 2722432), (32, 2552280), (40, 2041824), (48, 1701520), (60, 1361216), (64, 1276140), (80, 1020912), (96, 850760), (120, 680608), (128, 638070), (160, 510456), (192, 425380), (240, 340304), (256, 319035), (320, 255228), (384, 212690), (480, 170152), (640, 127614), (768, 106345), (960, 85076), (1280, 63807), (1920, 42538), (3840, 21269)]